VAT & Tax

VAT in the UK: A Complete Guide for Aspiring Accountants and Bookkeepers

9 min read

What is VAT in the UK?

VAT (Value Added Tax) is a consumption tax charged on most goods and services sold in the UK. The standard rate is 20%, with a reduced rate of 5% and a zero rate of 0% applying to specific categories. Businesses with a taxable turnover above the VAT registration threshold of £90,000 must register with HMRC, charge VAT to customers, and submit regular VAT returns, usually every quarter.

What does VAT stand for, and why does it exist?

VAT stands for Value Added Tax. It is an indirect tax collected by VAT-registered businesses on behalf of HM Revenue & Customs (HMRC). Unlike income tax, which is paid directly by individuals on their earnings, VAT is embedded in the price of goods and services at each stage of the supply chain.

The UK introduced VAT on 1 April 1973, replacing the old Purchase Tax, partly to align with European Economic Community (EEC) membership requirements. Although the UK left the EU in 2020, VAT remains the cornerstone of UK indirect taxation and is governed domestically by the Value Added Tax Act 1994 and subsequent HMRC regulations.

For accountants and bookkeepers, understanding VAT is not optional - it is one of the most frequently tested competencies at every level of the AAT (Association of Accounting Technicians) qualification.

What are the current UK VAT rates?

There are three main VAT rates in the UK, plus a category for exempt supplies:

VAT Rate Percentage Common Examples
Standard rate20%Most goods and services, electronics, clothing (adult), professional services
Reduced rate5%Domestic energy (gas and electricity), children's car seats, some energy-saving materials
Zero rate0%Most food (not restaurant meals), children's clothing, books, newspapers, most public transport
ExemptN/A - no VAT charged or reclaimedFinancial services, insurance, education, health services, postage stamps
Outside the scopeN/A - VAT rules do not applyWages, MOT tests, some charitable donations

Key distinction for learners: Zero-rated and exempt supplies are not the same thing. A business making zero-rated supplies can still reclaim input VAT on its costs. A business making only exempt supplies generally cannot - this distinction is tested directly in AAT assessments.

What is the UK VAT registration threshold?

The VAT registration threshold is £90,000. This means:

  • If your business's taxable turnover (the total value of VAT-able sales, including zero-rated sales) exceeds £90,000 in any rolling 12-month period, you must register for VAT with HMRC.
  • You must also register if you expect your taxable turnover to exceed £90,000 in the next 30 days alone.
  • The deregistration threshold is £88,000 - if your taxable turnover falls below this, you may apply to deregister.

Can a business register for VAT voluntarily?

Yes. A business with turnover below £90,000 can choose to register voluntarily. This is often advantageous if:

  • The business sells mainly to other VAT-registered businesses (who can reclaim the VAT charged).
  • The business incurs significant VAT on its own purchases and wants to reclaim input tax.
  • The business wants to appear more established or credible to larger clients.

How does VAT actually work? Input tax, output tax and the VAT return

VAT operates on the principle that each business in the supply chain collects tax on its sales (output VAT) and reclaims tax on its purchases (input VAT). Only the net difference is paid to HMRC.

A simple VAT supply chain example

Stage Actor Sale Price (ex-VAT) VAT Charged (20%) VAT Paid to HMRC
Raw materialsManufacturer to Wholesaler£1,000£200£200
WholesaleWholesaler to Retailer£2,000£400£200 (£400 minus £200)
RetailRetailer to Consumer£3,000£600£200 (£600 minus £400)
Total VAT collected by HMRC£600

The end consumer bears the full £600 VAT cost. Each business in the chain acts as an unpaid tax collector for HMRC.

What is a VAT return?

A VAT return is a form submitted to HMRC, usually every quarter, that reports:

  • Box 1: VAT due on sales (output tax)
  • Box 2: VAT due on acquisitions from EC countries (now largely replaced by import VAT post-Brexit)
  • Box 3: Total VAT due (Box 1 + Box 2)
  • Box 4: VAT reclaimed on purchases (input tax)
  • Box 5: Net VAT to pay or reclaim (Box 3 minus Box 4)
  • Boxes 6-9: Net value of sales, purchases, and cross-border transactions

If Box 4 exceeds Box 3, HMRC will repay the difference to the business - common for businesses with large capital expenditure or those making zero-rated supplies.

What is Making Tax Digital (MTD) for VAT?

Making Tax Digital (MTD) for VAT is HMRC's initiative requiring VAT-registered businesses to keep digital records and submit VAT returns using compatible software. It is no longer optional.

MTD for VAT: key milestones

Date Requirement
April 2019MTD for VAT mandatory for businesses above the £85,000 threshold (threshold at the time)
April 2022MTD for VAT extended to all VAT-registered businesses, regardless of turnover
April 2026MTD for Income Tax Self Assessment (ITSA) - planned for sole traders and landlords with income over £50,000
April 2027MTD for ITSA extended to those with income over £30,000

What software is compatible with MTD for VAT?

HMRC maintains a list of approved MTD-compatible software. Sage 50cloud Accounts and Sage Business Cloud Accounting are both on HMRC's approved list, making Sage skills directly relevant to MTD compliance. learndirect, as a Sage training partner, offers courses covering Sage's VAT and MTD functionality.

What VAT schemes are available to UK businesses?

HMRC offers several VAT accounting schemes designed to simplify administration for smaller businesses:

Scheme Who Can Use It How It Works Key Benefit
Standard VAT AccountingAll VAT-registered businessesPay/reclaim based on invoice datesFull input tax recovery
Cash Accounting SchemeTaxable turnover up to £1.35mPay/reclaim based on payment datesHelps cash flow; no VAT due until customer pays
Flat Rate Scheme (FRS)Taxable turnover up to £150,000Pay a fixed % of gross turnover to HMRCSimpler admin; can be financially beneficial
Annual Accounting SchemeTaxable turnover up to £1.35mOne VAT return per year; advance payments madeReduces paperwork
Retail SchemesRetailers unable to attribute VAT to individual salesVarious methods to calculate output VATPractical for high-volume retail
Margin SchemeSecond-hand goods dealers, auctioneers, art dealersVAT charged on profit margin only, not full sale priceAvoids double taxation on used goods

What are the penalties for getting VAT wrong?

HMRC introduced a new VAT penalty regime from 1 January 2023, replacing the old default surcharge system:

Late submission penalties (points-based)

  • Each late VAT return submission earns one penalty point.
  • Once a points threshold is reached (e.g. 4 points for quarterly filers), a £200 fixed penalty is charged.
  • Points expire after a period of compliance.

Late payment penalties

Days Late Penalty
1-15 daysNo penalty if paid in full
16-30 days2% of VAT outstanding at day 15
31+ days2% of VAT outstanding at day 15 + 2% of VAT outstanding at day 30
Over 31 days (ongoing)4% per annum daily rate until paid

Interest is also charged on overdue VAT at the Bank of England base rate plus 2.5%.

Understanding these penalties is essential knowledge for anyone advising clients or managing a business's VAT compliance - and it is assessed content within AAT qualifications.

How does VAT feature in AAT qualifications?

VAT is woven throughout the AAT qualification framework. Here is how it appears at each level:

AAT Level Official Qualification Title Relevant VAT Content Typical Study Duration Entry Requirements
Level 2 AAT Foundation Certificate in Accounting Introduction to VAT principles; basic bookkeeping entries for VAT; VAT on invoices and receipts 6-12 months No formal entry requirements; suitable for beginners
Level 3 AAT Advanced Diploma in Accounting VAT returns; input and output tax; VAT schemes; partial exemption basics; MTD awareness 12-18 months AAT Level 2 or equivalent accounting knowledge
Level 4 AAT Professional Diploma in Accounting Advanced VAT: partial exemption calculations; VAT on imports/exports post-Brexit; VAT planning considerations; business tax integration 18-24 months AAT Level 3 or equivalent

After AAT Level 4: Graduates can progress to chartered accountancy qualifications such as ACCA, CIMA or ICAEW - many of which offer AAT exemptions. learndirect delivers AAT Levels 2, 3 and 4 as an AAT Approved Training Provider.

What is partial exemption, and why does it matter?

Partial exemption applies when a business makes both taxable and exempt supplies. Because input VAT can only be reclaimed on costs relating to taxable supplies, businesses must apportion their input tax.

The standard method of partial exemption uses the ratio of taxable turnover to total turnover to calculate the recoverable proportion of input VAT. Businesses can apply to HMRC to use a special method if the standard method does not produce a fair result.

This is a complex area tested at AAT Level 4 and is a common source of errors in practice, making it a high-value skill for qualified bookkeepers and accountants.

How does VAT work for imports and exports post-Brexit?

Since the UK left the EU's VAT area on 31 December 2020, the rules for cross-border trade changed significantly:

Exports (UK to overseas)

  • Goods exported from the UK are generally zero-rated for UK VAT purposes.
  • The exporter must retain evidence of export.

Imports (overseas to UK)

  • Import VAT is charged on goods entering the UK, treated similarly to domestic VAT.
  • Businesses can use Postponed VAT Accounting (PVA) to account for import VAT on their VAT return rather than paying it at the border, a significant cash-flow benefit.
  • Services received from overseas suppliers may be subject to the reverse charge mechanism, where the UK business accounts for both output and input VAT.

Northern Ireland

  • Northern Ireland operates under a dual VAT system - UK VAT rules apply domestically, but EU VAT rules apply to goods (not services) traded with EU member states, under the Windsor Framework.

Frequently asked questions

What is the current UK VAT rate?

The standard UK VAT rate is 20%. A reduced rate of 5% applies to certain goods such as domestic energy and children's car seats. A zero rate (0%) applies to essentials including most food, children's clothing and books. Some supplies are exempt from VAT entirely, such as financial services and education.

What is the VAT threshold in the UK?

The VAT registration threshold is £90,000 of taxable turnover in any rolling 12-month period. Businesses that exceed this must register with HMRC. The deregistration threshold is £88,000.

Do I have to charge VAT if I am self-employed?

Only if your taxable turnover exceeds the £90,000 threshold, or you choose to register voluntarily. Many self-employed sole traders operate below the threshold and do not charge VAT.

What is the difference between zero-rated and exempt VAT?

Zero-rated supplies are taxable at 0% - the business can still reclaim input VAT on related costs. Exempt supplies fall outside the VAT system - the business cannot reclaim input VAT on costs attributable to exempt activities. This distinction has significant cash-flow implications.

What is Making Tax Digital for VAT?

MTD for VAT requires all VAT-registered businesses to keep digital records and submit VAT returns using HMRC-approved software. It has been mandatory for all VAT-registered businesses since April 2022.

How do I submit a VAT return?

VAT returns must be submitted digitally via MTD-compatible software (such as Sage) or HMRC's own MTD portal. Paper VAT returns are no longer accepted for most businesses. Returns are typically due one month and seven days after the end of each VAT quarter.

Can I reclaim VAT on business expenses?

Yes, if you are VAT-registered, you can reclaim input VAT on goods and services purchased for business purposes, subject to certain restrictions (e.g. you generally cannot reclaim VAT on business entertainment or on a car purchased for mixed personal and business use).

Which AAT level covers VAT returns?

VAT returns are introduced at AAT Level 3 (Advanced Diploma in Accounting). More complex VAT topics, including partial exemption, import VAT and VAT planning, are covered at AAT Level 4 (Professional Diploma in Accounting).

Does learndirect offer AAT courses that cover VAT?

Yes. learndirect is an AAT Approved Training Provider offering online study for AAT Levels 2, 3 and 4. VAT is a core topic across all three levels. learndirect is also a Sage training partner, offering courses in Sage software that cover MTD-compliant VAT return submission. Visit the relevant course pages for current enrolment details.

What happens if I submit my VAT return late?

Under HMRC's penalty regime (effective from January 2023), late submissions earn penalty points. Once a threshold is reached (4 points for quarterly filers), a £200 fixed penalty applies. Late payment also attracts percentage-based penalties and interest at the Bank of England base rate plus 2.5%.

Ready to master VAT? Start with an AAT qualification from learndirect

Whether you are new to accounting or looking to formalise your VAT knowledge, the AAT qualification pathway gives you the structured, employer-recognised skills to manage VAT with confidence - from basic bookkeeping entries to complex partial exemption calculations.

learndirect is an AAT Approved Training Provider and a Sage training partner, offering fully online, flexible study so you can learn around your existing commitments.

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